Attachment for radiators.



' W. H. DRAKE.

ATTAGHMENT FOB RADIATORS.

APPLICATION FILED JUNE 25, 1908.

Patented May 24, 1910.

2 SHEETS-SHEET 1.

' INVENTOR BY r v ATT NEY QWITNES? TO-LITHOGRAFNERS W. H. DRAKE.

ATTACHMENT FOR RADIATORS.

APYLIGATION FILED JUNE 25. 1908.

958,995. Patented May 24, 1910.

2 Sunnis-SHEET 2.

WITNESSES: I

I I a. .-r

ANDREW a GRAHAM 00 Pworauwoanwnzna WASHINGION nvc.

WILLIAM H. DRAKE, OF HACKETTSTOWN, NEW JERSEY.

ATTACHMENT FOR RADIATORS.

Specification of Letters Patent.

Application filed June 25, 1908.

Patented May 2 1, 1910.

Serial No. 440,220.

To all whom it may concern:

Be it known that I, VILLIAM H. DRAKE, a

citizen of the United States, residing at Hackettstown, in the county oflVarren and State of New Jersey, have invented certain new and usefulImprovements in Attachments for'Radiators; and I do hereby declare thefollowing to be a full, clear, and exact description of the invention,such as will enable others skilled in the art to which it appertains tomake and use the same, reference being had to the accompanying drawings,and to figures of reference marked thereon, which form a part of thisspecification.

This invention relates to an improved attachment for radiators, whichpermits either the whole radiator to be heated, or only a part thereof,according to the severity of the weather. In mild weather it is economyto use only part of the radiator, since the use of the whole will causetoo high a temperature.

The invention comprises an air outlet for venting the radiator, the airoutlet having means for drawing the air from the end of the radiator, orfrom a point intern'iediate of the radiator ends.

A further object of the invention is to au toinatically close oneventing passage when the other is opened, and vice versa.

An indicator for pointing out whether the attachment is set for heatingall, or only a part of the radiator, is also a new feature of theinvention.

The invention is illustrated in the accompanying drawings, in whichFigure 1 is a broken view of a radiator, showing my attachment inelevation. Fig. 2 is a section of the attachment with a modified form ofhandle. Fig. 3 is an end view of the attachment with indicating meansthereon. Fig. 4 is an elevation, partly in section, of the same, andFig. 5 is a detail of a stop wheel used in the indicator. Fig. 6 is amodified form of fitting.

Any form of radiator can be used, and the radiator may be placed eitherin a single or double pipe system. The radiator shown in Fig. 1 isconnected to a single pipe system, and consists of sections 10, whichare assembled to the desired number. On one end of the radiator is thevalve 11. for controlling the admission of the heating medium. I placethe improved attachment on I the opposite end when used in a single pipefitting, and with the fitting shown in Fig. (3 when the radiator has avalve at each end.

The attachment comprises a body-portion 12, forming a chamber 13therein, and hav- 1 ing a partition 14L separating the chamber 13 fromthe inside of the radiator, the screwthreaded ring 15, serving to securethe attachment to the end-section of the radiator, at the place usuallyoccupied at present by a valve or a plug. The body portion of theattachment has suitable stu'tling-boxes 16 thereon, through whichoperate the valve stems 17 and 18, which can be operated by a key placedon their squared ends 20, and when turned are alternately seated andunseated from their respective valve seats 21 and 22, in the partition14. One of the valve seats, 21, for instance, is to vent the wholeradiator, to allow cold air to escape and steam to enter, the airescaping through the chamber 13, elbow 23, and any suitable kind ofautomatic air vent 24. The elbow 23 is mounted on the chamber 13, andcan be turned so as to place the automatic valve 24 on either side ofthe radiator, according to the location of the surroundings. lVhen thisvalve seat is open, to vent the whole radiator, its stem, such as 17 iswitl'idrawn therefrom, and the stem 18 is shut. It. the position of thevalve stems is reversed and the seat 21 is shut and 22 is open, the airfrom part of the radiator is vented through a pipe 25, attached to thepartition 14:, and having its outlet in the chamber 13, and its inletplaced at a point where the heating of the radiator is to stop in mildweather. The air will pass out of the pipe from the radiator, and thenbe vented from the chamber, as above described. The air, between theopen end of the pipe 25 and the far end of the radiator, will act as atrap, and no steam will enter the radiator sections between the end ofthe pipe 25 and the body portion of the attachment.

When the valve stem for venting only a part of the radiator is open, theother must of course be shut, and to insure these alternate and oppositepositions, I have devised the constructions shown in Figs. 1, 2, 3 and4, employing two meshing gears 26 and 27, adapted to have a rotative andalso a sliding relation, one closing when the other opens, and viceversa. The sliding relation makes it necessary for one of the gears, at

least, to have a broad face, so as to insure their meshing at theiropposite limits of movement.

When it is desired to ascertain, or to indicate, which of the valveseats is uncovered,

in other words whether the radiator is adjusted to be wholly or partlyheated, I may place the construction shown in Figs. 1, 3, 4 and 5, onthe attachment. This embodies a handle 28, on one stem, having an arm 29thereon, which is adapted to engage a stop, whereby it is permitted torotate once, which, with a coarse thread on the stem, is sufficient toopen and close the valve seats 21 and 22. The stop can be made in theshape of a pin 30, which would be engaged by one side of the lever 29,as shown in dotted lines in Fig. 3, when the device was fixed to openthe whole radiator to admit heat, and when rotated to the full line (thegear with the pin having of course rotated at the same time in the otherdirection) the radiator will be vented only from the end of the pipe 25.The stop can have a suitable legend or indication of the adjustment ofthe attachment, such as illustrated on the gear wheel 27, shown in Fig.5. When the attachment is used on a two-pipe system, the outlet valve 81can be placed at right angles on the fitting 82, and the attachment 12,placed on the end of the fitting 32.

This device will permit an economy of fuel in mild winter weather, andwill not impair the efliciency of the radiator, or heating system, whenthe maximum heat is required. The device vents from the same automaticvalve under its different adjustments, and is an attachment that can becheaply manufactured.

The valve stems 17 and 18 are preferably screw-threaded, as is usualwith valve stems in steam and Water valves, this screw-threaded portion,by the rotation of the stem, causing the seating and unseating of thevalve on its seat. I wish, however, to be understood as not limitingmyself to this form of mechanism for actuating the valve stem in itslongitudinal movement, since any of the usual equivalents for thispurpose may be employed.

Having thus described my invention, what I claim is 1. An attachment forradiators comprising a body portion, a partition therein forming achamber, a pair of valve seats in the partition, valve stems in linewith the seats, valves on the stems and adapted to be seated on thevalve seats, means on one stem for its manual manipulation, gears on thestems and adapted to cause their simultaneous rotation to insure theclosing of one when the other opens and vice versa, means for connectingthe valve seats to difierent parts of a radiator for venting it, andmeans for venting the chamber.

2. An attachment for radiators comprising a body-portion, a partitiontherein to form a chamber, a pair of valve seats in the partition, valvestems in line with the seat-s, valves on the stems and adapted to closethe seats, means on one stem for its manual manipulation, means forcausing the stems to operate simultaneously and in opposite directions,a stop for indicating the limits of movement and the disposition of thevalves, and means for venting the chamber.

3. An attachment for radiators comprising a body-portion, a partitiontherein to form a chamber, a screw-threaded cylindrical portion to enterthe end section of a radiator, valve seats on the partition, a pipe onone valve seat to extend part way into the radiator, a pair of valvestems with valves to be seated on the valve seats, gears connecting thestems and causing their simultaneous movement and insuring theirmovement in opposite directions longitudinally, a handle on one stem, astop on the other gear to cause a stoppage in each direction after onerevolution, a legend or inclication on the cooperating stopping means toindicate the disposition of the valves on their seats, and means forventing the chamber.

In testimony, that I claim the foregoing, I have hereunto set my handthis 24th day of June 1908.

WILLIAM H. DRAKE. Witnesses:

WM. H. CAMFIELD, E. A. PELL.

